High School Math : Transformations of Linear Functions

Study concepts, example questions & explanations for High School Math

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Example Questions

Example Question #1 : Linear Functions

Write \displaystyle 2x+7y=8 in slope-intercept form.

Possible Answers:

\displaystyle y=\frac{-2}{7}x+\frac{8}{7}

\displaystyle y=\frac{2}{7}x+\frac{8}{7}

\displaystyle y=\frac{-2}{7}x-\frac{8}{7}

\displaystyle y=\frac{2}{7}x-\frac{8}{7}

Correct answer:

\displaystyle y=\frac{-2}{7}x+\frac{8}{7}

Explanation:

Slope-intercept form is \displaystyle y=mx+b.

\displaystyle 2x+7y=8

\displaystyle 7y=-2x+8

\displaystyle y=\frac{-2}{7}x+\frac{8}{7}

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